Investor profile for 01 Advisors: typical check size, headquarters (San Francisco, CA), stages they lead or invest in, and links to website and social profiles. Part of the Venture Capital Tracker directory.

01 Advisors

Venture and advisory firm founded by former Twitter executives Dick Costolo and Adam Bain to help post-PMF technology companies scale go-to-market and operations.

Typical check size

$1M-$10M (stage-based estimate)

Founded

2018

Headquarters

San Francisco, CA

AUM

N/A

Rounds they lead

Series A Series B+

Rounds they invest

Series A Series B+

Portfolio companies we track

Startups in our directory that list 01 Advisors as an investor (4 total).

Related investment articles

FAQs about 01 Advisors

Stage fit, check size, thesis, and how founders typically approach this firm — based on public sources and our directory.

01 Advisors focuses on Series A and Series B rounds for companies that have already found product-market fit and are scaling. The firm describes itself as operator-led capital for hyper-growth companies rather than idea-stage bets.
The firm publicly positions itself around roughly $10M–$20M checks after product-market fit (Series A and B). Exact amounts vary by round; the firm has not published a fixed minimum or maximum.
01 Advisors is headquartered in San Francisco, California, with an additional presence in New York City. Their portfolio skews toward U.S. technology companies, though they are not strictly limited to one geography.
01 Advisors is sector-generalist within technology, with emphasis on companies where scaled-operator expertise in go-to-market, revenue growth, and organizational scaling adds value — often enterprise software, consumer internet, fintech, and AI-enabled businesses.
01 Advisors typically participates as a meaningful investor in Series A and B rounds and is known for an advisory, coaching-oriented model rather than heavy board governance. They position partners as venture coaches who help founders scale GTM and operations.
In our directory, 01 Advisors is linked to Cape (/startup/cape), Autograph (/startup/autograph), and Autographio (/startup/autographio).
Founders are best served by warm introductions from trusted operators or existing portfolio founders. The firm lists a general contact at [email protected] on its website; there is no public cold-application form. Come prepared with traction signals and a clear scaling challenge.
We do not yet have dedicated fund news articles tagged to 01 Advisors. See the fund page at /fund/01-advisors and linked startup profiles for portfolio context.